Give your teams and customers the quality audio you expect from Poly, with a flexible noise-canceling microphone to tune out background buzz and chatty neighbors.. Better understanding leads to better outcomes, and happier customers. That's why we use voice-optimized frequency response to make conversations clearer — and more accurate.. Comfort. Reliability. Value.. Make the most of every call. The EncorePro 300 Series, contact center headsets, are good for workers, callers, and your bottom line. Long-lasting comfort. Total reliability. Noise canceling so customers hear clearly. And exceptional value.. Performance. Product colour. Black. Headset type. Monaural. Recommended usage. Calls/Music. Wearing style. Head-band. Product type. Headset. Ports & interfaces. Quick-Disconnect (QD) connector. Yes. Connectivity technology. Wired. Weight & dimensions. Weight. 55 g. Height. 67 mm. Depth. 149 mm. Width. 111 mm. Packaging data. Package weight. 153 g. Package height. 177 mm. Package depth. 52 mm. Package width. 142 mm. leaflet